Thorlos Unisex WLST Steel Toe Thick Padded Crew Sock 86% Thor-Lon Acrylic, 11% Nylon, 3% Elastic Made in US No Closure closure Turn Inside Out-Machine Wash-Use Liquid Fabric Softner Padding Level: Moderate Cushion Key Benefit: Maximum Protection = Maximum Comfort Guarantee - Your feet will feel better or your money back! Proudly MADE in the USA | North Carolina Thorlos clinically-tested padding under the ball and heel provides maximum protection from friction, the primary cause of blisters, and impact protection where needed most Cushioning over toes for additional protection from abrasion caused by steel-toed footwear Constructed with THORLON fibers for superior softness, resilience, durability, and moisture-wicking for drier, better feeling feet Cushioned instep for more support and less pressure on the feet for a more comfort Low profile toe seam wont rub or irritate your foot Fiber Contents: 87% Exclusive THORLON, 10% stretch nylon, 3% spandex